| 22 jun 2023 | Valle Luis, Leo 2354 | 1-0 | Habans Aguerrea, Javier 2316 | B12 Caro-Kann Defense: Advance Variation, Tal Variation | 1 · mesa 1 |
| 22 jun 2023 | Leone Amigot, Haymar 1977 | 1-0 | Domene Mulyukov, Alexander 2252 | B45 Sicilian Defense: Four Knights Variation | 1 · mesa 2 |
| 22 jun 2023 | Pinyol I Llora, Julia 1926 | 1-0 | Erice Rubio, Naroa 1215 | E62 King's Indian Defense: Fianchetto Variation, Lesser Simagin (Spassky) | 1 · mesa 3 |
| 22 jun 2023 | Perez Azanza, Irati 1132 | 1-0 | Carrasco Gomez, Adahara 1752 | D02 Queen's Pawn Game: London System | 1 · mesa 4 |
| 22 jun 2023 | Dominguez Martinez, Nicolas 1869 | 0-1 | Cacheiro Blanco, Diego 2296 | A05 Zukertort Opening: Nimzo-Larsen Variation | 1 · mesa 5 |
| 22 jun 2023 | Del Prado Rodriguez, Xulio 2285 | 1-0 | Sureda Gonzalez, Cristina 1806 | E51 Nimzo-Indian Defense: Normal Variation, Ragozin Variation | 1 · mesa 6 |
| 22 jun 2023 | Salord Guillen, Joan 1665 | 1-0 | Suarez Gomez, Paula 1771 | D00 Queen's Pawn Game: Accelerated London System, Steinitz Countergambit | 1 · mesa 7 |
| 22 jun 2023 | Cereijo Suarez, Nerea 1714 | 1-0 | Torrandell Serra, Isabel Maria 1100 | B01 Scandinavian Defense: Main Line | 1 · mesa 8 |
| 22 jun 2023 | Horcajuelo Rocamora, Martin 2265 | ½-½ | Conon, Catalin 1943 | D11 Slav Defense: Modern Line | 1 · mesa 9 |
| 22 jun 2023 | Asensio Asensio, Nicolas 1895 | ½-½ | Calvo Gonzalez, Jose Felix 2077 | C45 Scotch Game: Malaniuk Variation | 1 · mesa 10 |
| 22 jun 2023 | Borisova Douchkova, Vanesa 1667 | ½-½ | Moreno Burillo, Maria 1303 | E97 King's Indian Defense: Orthodox Variation, Bayonet Attack | 1 · mesa 11 |
| 22 jun 2023 | Garcia Modrego, Victoria 1296 | 0-1 | Garcia Pardo, Lorena 1617 | C48 Four Knights Game: Spanish Variation, Classical Variation | 1 · mesa 12 |
| 22 jun 2023 | Lopez Pombo, Eduardo 1675 | 0-1 | Perea Fruet, Lorenzo 2276 | E34 Nimzo-Indian Defense: Classical Variation, Noa Variation | 1 · mesa 13 |
| 22 jun 2023 | Diaz Mino, Daniel 2222 | 1-0 | Aguirre Mediavilla, Elena 1628 | C54 Italian Game: Classical Variation, Giuoco Pianissimo, Albin Variation | 1 · mesa 14 |
| 22 jun 2023 | Luca, Cristian 1562 | 0-1 | Mullor Pena, Claudia 1672 | C45 Scotch Game: Classical Variation | 1 · mesa 15 |
| 22 jun 2023 | Sarasua Fontanilla, Ines 1504 | ½-½ | San Emeterio Vidal, Isabel 1323 | B00 Pirc Defense | 1 · mesa 16 |
| 22 jun 2023 | Moreno Diepa, Diego 2131 | 0-1 | Khoroshykh, Yaroslav 1813 | B23 Sicilian Defense: Closed | 1 · mesa 17 |
| 22 jun 2023 | Zubizarreta Landera, Denis 1701 | 0-1 | Marrero Rodriguez, Jorge 2094 | D31 Queen's Gambit Declined: Janowski Variation | 1 · mesa 18 |
| 22 jun 2023 | Almeida Cubas, Mirella 1674 | 1-0 | Murias Aparicio, Xian Ting 1268 | A21 English Opening: King's English Variation, Troger Defense | 1 · mesa 19 |
| 22 jun 2023 | Lera Cunado, Nora 1247 | 0-1 | Oudeh Mishmesh, Lara 1478 | C01 French Defense: Exchange Variation | 1 · mesa 20 |
| 22 jun 2023 | Gomez Pastrana, Juan 1889 | ½-½ | Salvador Buiza, Victor 2138 | C45 Scotch Game: Mieses Variation | 1 · mesa 21 |
| 22 jun 2023 | Tudela Gonzalez, Victor 2018 | ½-½ | Rubial Blanco, Heriberto 1880 | D37 Queen's Gambit Declined: Harrwitz Attack, Fianchetto Defense | 1 · mesa 22 |
| 22 jun 2023 | Macias De Castro, Irene 1244 | 0-1 | Cebolla Ruiz, Anna 1400 | C01 French Defense: Exchange Variation | 1 · mesa 23 |
| 22 jun 2023 | Guzman Fuentes, Encarna 1289 | 1-0 | Rubio Alonso, Lydia | A22 English Opening: Carls-Bremen System | 1 · mesa 24 |
| 22 jun 2023 | Vergara Anton, Diego 2331 | 1-0 | Lara Mezcua, Alonso 1926 | A49 Indian Defense: Przepiorka Variation | 1 · mesa 25 |
| 22 jun 2023 | Sierra Lopez, Yeray 1748 | 0-1 | Gutierrez Garcia, Marcos Ii 1960 | D52 Queen's Gambit Declined: Cambridge Springs Defense, Bogoljubow Variation | 1 · mesa 26 |
| 22 jun 2023 | Prochaieva, Yelyzaveta 1486 | 1-0 | Carrilero Otalora, Vanesa 1319 | D94 Grünfeld Defense: Three Knights Variation, Burille Variation | 1 · mesa 27 |
| 22 jun 2023 | Roldan Mateo, Emma 1121 | 1-0 | Gonzalez Fernandez, Silvia I 1461 | B01 Scandinavian Defense: Main Line | 1 · mesa 28 |
| 22 jun 2023 | Docampo Fuertes, Marcelo Inaki 1511 | ½-½ | Garijo Perez, Hugo 2151 | A83 Dutch Defense: Staunton Gambit | 1 · mesa 29 |
| 22 jun 2023 | Koblash, Andres Ricardo 1709 | 1-0 | Ortega Martinez, Javier 1326 | D02 Queen's Pawn Game: Symmetrical Variation | 1 · mesa 30 |
| 22 jun 2023 | Falcon Ibanez, Sarai 1199 | 0-1 | Valsera Gomez, Minerva 1562 | B21 Sicilian Defense: Smith-Morra Gambit Declined, Push Variation | 1 · mesa 31 |
| 22 jun 2023 | Alvaro Lopez, Irene 1191 | ½-½ | Provedo Calvo, Paula 1121 | E22 Nimzo-Indian Defense: Spielmann Variation | 1 · mesa 32 |
| 22 jun 2023 | Cacheiro Blanco, Diego 2296 | ½-½ | Vergara Anton, Diego 2331 | C13 French Defense: Alekhine-Chatard Attack | 2 · mesa 1 |
| 22 jun 2023 | Gutierrez Garcia, Marcos Ii 1960 | 0-1 | Cereijo Suarez, Alejandro 2127 | B31 Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | 2 · mesa 2 |
| 22 jun 2023 | Cereijo Suarez, Nerea 1714 | 1-0 | Prochaieva, Yelyzaveta 1486 | B41 Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | 2 · mesa 3 |
| 22 jun 2023 | Mulet Durango, Carolina 1397 | 1-0 | Perez Salgado, Alba 1581 | D04 Queen's Pawn Game: Colle System | 2 · mesa 4 |
| 22 jun 2023 | Macias Pino, Diego 2408 | 1-0 | Horcajuelo Rocamora, Martin 2265 | B90 Sicilian Defense: Najdorf Variation, Petronić Attack | 2 · mesa 5 |
| 22 jun 2023 | Fernandez Rosado, Roberto 2211 | ½-½ | Tudela Gonzalez, Victor 2018 | B99 Sicilian Defense: Najdorf Variation, Main Line | 2 · mesa 6 |
| 22 jun 2023 | Harutyunyan, Gayane 1577 | 1-0 | Jolani, Parnian 1684 | C01 French Defense: Exchange Variation | 2 · mesa 7 |
| 22 jun 2023 | Borisova Douchkova, Vanesa 1667 | 1-0 | Guzman Fuentes, Encarna 1289 | D35 Queen's Gambit Declined: Exchange Variation, Positional Variation | 2 · mesa 8 |
| 22 jun 2023 | Perea Fruet, Lorenzo 2276 | 1-0 | Regadera Mateos, Nicolas 1674 | C07 French Defense: Tarrasch Variation, Chistyakov Defense | 2 · mesa 9 |
| 22 jun 2023 | Dominguez Vallejo, Marta 1305 | 0-1 | Gomez Arce, Alejandro 2237 | B20 Sicilian Defense: Czerniak Attack | 2 · mesa 10 |
| 22 jun 2023 | Mullor Pena, Claudia 1672 | 1-0 | Calero Duran, Alberto 1242 | B50 Sicilian Defense: Modern Variations | 2 · mesa 11 |
| 22 jun 2023 | Repilado Torres, Zaira | 0-1 | Colloridi, Catalina 1598 | C45 Scotch Game: Schmidt Variation | 2 · mesa 12 |
| 22 jun 2023 | Garijo Perez, Hugo 2151 | ½-½ | Oudeh Mishmesh, Omar 2247 | C08 French Defense: Tarrasch Variation, Open System | 2 · mesa 13 |
| 22 jun 2023 | Marrero Rodriguez, Jorge 2094 | 0-1 | Molina Ortega, Carlos 1746 | B06 Pterodactyl Defense: Eastern, Rhamphorhynchus | 2 · mesa 14 |
| 22 jun 2023 | Valsera Gomez, Minerva 1562 | 0-1 | Almeida Cubas, Mirella 1674 | B36 Sicilian Defense: Accelerated Dragon, Maróczy Bind | 2 · mesa 15 |
| 22 jun 2023 | Morales Sanchez, Ailin Belen 1403 | 1-0 | Alvaro Lopez, Carmen 1206 | B75 Sicilian Defense: Dragon Variation, Yugoslav Attack, Belezky Line | 2 · mesa 16 |
| 22 jun 2023 | Conon, Catalin 1943 | 1-0 | Valle Luis, Leo 2354 | B12 Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | 2 · mesa 17 |
| 22 jun 2023 | Ano Pla, Gerard 2193 | 1-0 | Iravedra Ainkov, Francisco 1865 | A34 English Opening: Symmetrical Variation, Normal Variation | 2 · mesa 18 |